Home / 193,584,132.66-267,146,141.50-105,478,130.32

Finding the Fourth Proportional to 193,584,132.66, 267,146,141.50 and 105,478,130.32

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Solution

The fourth proportional to 193,584,132.66, 267,146,141.50 and 105,478,130.32 is: 145,559,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,584,132.66 : 267,146,141.50 = 105,478,130.32 : x
  2. Step 2: Convert to fraction form
    193,584,132.66/267,146,141.50 = 105,478,130.32/x
  3. Step 3: Cross multiply
    193,584,132.66x = 267,146,141.50 × 105,478,130.32
  4. Step 4: Simplify right side
    193,584,132.66x = 28,178,075,527,622,160
  5. Step 5: Solve for x
    x = 28,178,075,527,622,160/193,584,132.66
  6. Step 6: Final answer
    x = 145,559,840.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.